ok buy the warning labels from peaks there are great and room to Wright the fo name,and all the candles you have pull the wicks out if you can. and when you get the sample pack put the new wicks in them and take notes,if you cant pull the wicks out put them in the oven set to warm until the wax melts then pull the wicks out and put in sample wicks,and take notes and test, test ,test,don't worry you will get it right.